Abstract
The aim of the study is to evaluate the changes of color, the surface morphology and the interfacial adaptation of MTA and Portland cement associated with different radiopacifiers and vehicles. The cements will be divided into 6 groups: I - white MTA (control), II - white Portland cement (PC), III - PC with 20% zirconium oxide, IV - PC with 40% zirconium oxide, V - PC with 20% calcium tun…